A road vehicle with four drive wheels (10) comprising a frame (50) includes longitudinally separated ends (52, 56) defining a first longitudinal axis (51), a plurality of wheels (12, 16) coupled operatively to the frame, front differential (80) and rear (78) to drive the wheels, a connection assembly lower direction (146) is operably coupled between an address part operator input (26) and at least one of the plurality of wheels, and a dock power steering (27) operatively connecting direction assembly comprising steering an electric motor (140) and a gearbox (142) comprising a transmission one upper groove (143) and a lower groove (144), the upper groove operatively coupled to the address portion being operator input, and the bottom groove being operatively coupled to the with ection direction, the connection set lower direction (146) rigidified by fixing both the front differential (41) as frame tubes (68), wherein the connection assembly inferiorly has an upper splined coupler being (180) fixed to a stub shaft (182) and the stub shaft includes a bearing (192) shaped to be received within an opening (92) in the top of the front differential, and the stub shaft rotates bearing.
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